On Mac: go to Apple menu > System Settings > Network. On Windows: go to Settings > Network & Internet > WLAN. On Chromecast TV: go to TV Settings > Network & Internet.
You can check the connected network on each device. Another most frequent reason for Chromecast not working occurs when devices are connected to different networks. When wondering why is my Chromecast not working, make sure that the devices are connected to the same network. Are Both Devices Connected to the Same Network? Usually the 5GHz connection is faster and more stable. Change your Wi-Fi frequency by switching between 2.4GHz and 5GHz.
You may also try the reset button if your router has one. Simply unplug and plug your router back in a few minutes, then try to retest your connection when your router has booted. If your Chromecast is having trouble connecting to WiFi during the setup process in the Google Home app or if the Chromecast is not present, the first thing to check is whether your WiFi is functioning as it should.
Fortunately, there are some fast workarounds available to assist you in troubleshooting your Chromecast. You may be wondering, “ Why is my Chromecast not working”? Chromecast not working may be caused by several reasons, including a poor WiFi connection, channel interference, or mismatched pairings.
